> The answer is YES! In early OM60x engines MANY timing covers were
> stripped when tightened down. I can't tell you if it was carelessness
> (not using a torque wrench) or that the cover (its been revised at least
> once - maybe more) really was inadequate.

I was using the torque wrench, but don't think I reached much more
than 40-50 Lb/Ft. before it started feeling "scary".

> Dave M. has had the cover fail (really messy) and has pictures to prove
> it. Replacement of the timing cover is a BIG job (8-10 hours flat rate
> time as I recall). I have seen the threads strip. Later models should
> not be as vulnerable (I have NOT heard of NEARLY as many tensioner arm
> failures of any sort in '90s cars as with the assemblies in mid '80s cars)
> Marshall

I remember Dave's ordeal --

Guess I was hoping that the '90 model would have been improved already.

Have there been any reports of successfully replacing the bearings in
the lever arm??

Norman, OK
'90 300D, '87 300SDL,  '81 240D,  '78 450SLC
The FSM created the Diesel Benz

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